const fs = require('fs');
const axios = require('axios');

console.log("Hello!")

finalData=[]
firstLoad=true

itemCache={}
retainerIDs=[1572880,16,2359328,131092,9,0,13,1048586,2162700]
retainerInventories=[[],[],[],[],[],[],[],[],[]]

function getRetainerIndex(id){
    switch(id){
        case 1572880:{
            return 0;
        }
        case 16:{
            return 1;
        }
        case 2359328:{
            return 2;
        }
        case 131092:{
            return 3;
        }
        case 9:{
            return 4;
        }
        case 0:{
            return 5;
        }
        case 13:{
            return 6;
        }
        case 1048586:{
            return 7;
        }
        case 2162700:{
            return 8;
        }
        default:{
            console.log("No retainer found with ID "+id+"!")
            return -1
        }
    }
}

function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

async function getItemData(item){
    if (Number.isInteger(item.id)){
        if ((item.id in itemCache)){
            item.name=itemCache[item.id].Name
            item.icon=itemCache[item.id].Icon
        } else {
            if (fs.existsSync("cache/"+item.id)){
                data=JSON.parse(fs.readFileSync("cache/"+item.id))
                console.log("Loaded Item "+item.id+" ("+data.Name+") from Cache")
                itemCache[item.id]=data
                getItemData(item)
            } else {
                await axios.get("https://xivapi.com/Item/"+item.id)
                .then((data)=>{
                    itemCache[item.id]=data.data
                    fs.writeFileSync("cache/"+item.id,JSON.stringify(data.data))
                    console.log("Added Item "+item.id+" ("+data.data.Name+") to Cache")
                })
                .catch((err)=>{
                    itemCache[item.id]={}
                    console.log(item.id+" is not a valid Item ID!")})
                await sleep(250)
                getItemData(item)
            }
        }
    }
}

function update(){
    changed=false
    fs.readFile("C:\\Users\\sigon\\Documents\\memory",
    async(err,data)=>{
        var fileContents = data.toString().split("\n");
        if (fileContents.length>=387){
            for (i=0;i<fileContents.length;i++){
                line=fileContents[i]
                item=line.split(" ")
                if (i==385){
                    ind=getRetainerIndex(Number(item[0]));
                    //140 + 70
                    retainerInventories[ind]=finalData.slice(210,385)
                }
                itemID=item[1]
                itemAmt=item[0]
                hq=(item[2]!==undefined)?item[2].replace("\r",""):""
                itemHQ=hq==="0"?false:true
                newItem={"id":Number(itemID),"amt":Number(itemAmt),"hq":itemHQ}
                //console.log(itemID+" x"+itemAmt+" "+(itemHQ))
                if(firstLoad){
                    await getItemData(newItem)
                    finalData=[...finalData,newItem]
                }else
                if (finalData[i]!==undefined&&(Number.isInteger(finalData[i].id)^Number.isInteger(itemID))){
                    if (finalData[i].id!=Number(itemID)||finalData[i].amt!==Number(itemAmt)||finalData[i].hq!==Boolean(itemHQ)){
                        await getItemData(newItem)
                        console.log(JSON.stringify(finalData[i])+" !== "+JSON.stringify(newItem))
                        finalData[i]=newItem
                        changed=true;
                    }
                }
            }
            if (changed){
                console.log("Changes occurred...")
                finalArr=[finalData.slice(0,210)]
                for (inventory of retainerInventories){
                    finalArr=[...finalArr,[...inventory]]
                }
                axios.post("http://projectdivar.com/inventoryData",finalArr)
            }
            firstLoad=false
        }
        setTimeout(update,1000)
    })
}

update()